Assembler Code Refactoring

(Software Migrations Limited – now part of Rocket Software) 
Automatically refactor up to 98% of Assembler code without manual intervention. 

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Résumé

Modernize assembler code

Assembler code is dense, poorly documented, and supported by a shrinking pool of specialists – making fixes slow, costly, and error-prone. 

Our Assembler Code Refactoring delivers semantics-preserving, auditable transformation that reduces outages and secures modernization without sacrificing stability. 

Refactorisation mathématiquement garantie et sans risque

Fully automated core engine transforms Assembler into structured pseudocode or target languages with mathematical guarantees of logic equivalence—eliminating conversion risk and dramatically accelerating projects. 

Deep specialization for TPF and z/OS® Assembler

Automated capture and mapping of every instruction, data flow and business rule in TPF and z/OS® codebases provides full visibility for accurate impact analysis and confident modernization planning.

AI ready, extensible outputs that speed modernization 

Well-structured code ready for GenAI enhancement and integration with Rocket Software’s replatforming and refactoring tools—enabling faster feature delivery, reduced technical debt and flexible modernization paths. 

Client

Global travel services provider

Défi

Installed codebase of 18 million lines of code, majority TPF Assembler; manual off-load to cloud was slow, costly and error prone.  

Solution

SML automated conversion to WSL pseudocode, Java® and C with interactive dashboards and annotations.  

Résultats

Code comprehension time reduced; multi-year project timeline compressed; broader resource pool enabled beyond TPF SMEs; ready for GenAI enhancement.

Client

Insurance software vendor 

Défi

275k+ lines of poorly documented, customized Assembler thwarting modernization; multiple manual rewrite attempts with no results; impeding modernization efforts for 30+ carrier customers who depended on Insurance Software Vendor

Solution

Automated refactoring into mainframe and Rocket® COBOL with provable logic equivalence and dashboard support for ongoing maintenance.

Résultats

Migration completed in under six months vs. years; zero functional discrepancies of code in parallel testing; platform now cloud-ready and AI-enabled. 

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